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方便飞利浦arm7tdmi 处理器lpc2100开发的C函数库 Procyon ARMlib-LPC2100 C-Language Function Library for Philips LPC21

00085 <span class="preprocessor"></span><span class="preprocessor">#define ATA_IDENT_SECTORS       6       // number of sectors per track</span>
00086 <span class="preprocessor"></span><span class="preprocessor">#define ATA_IDENT_SERIAL        10      // drive model name (20 characters)</span>
00087 <span class="preprocessor"></span><span class="preprocessor">#define ATA_IDENT_MODEL         27      // drive model name (40 characters)</span>
00088 <span class="preprocessor"></span><span class="preprocessor">#define ATA_IDENT_FIELDVALID    53      // indicates field validity of higher words (bit0: words54-58, bit1: words 64-70)</span>
00089 <span class="preprocessor"></span><span class="preprocessor">#define ATA_IDENT_LBASECTORS    60      // number of sectors in LBA translation mode</span>
00090 <span class="preprocessor"></span>
00091 <span class="comment">// drive mode defines (for ataSetDrivePowerMode() )</span>
00092 <span class="preprocessor">#define ATA_DISKMODE_SPINDOWN   0</span>
00093 <span class="preprocessor"></span><span class="preprocessor">#define ATA_DISKMODE_SPINUP     1</span>
00094 <span class="preprocessor"></span><span class="preprocessor">#define ATA_DISKMODE_SETTIMEOUT 2</span>
00095 <span class="preprocessor"></span><span class="preprocessor">#define ATA_DISKMODE_SLEEP      3</span>
00096 <span class="preprocessor"></span>
00097 <span class="comment">// typedefs</span>
00098 <span class="comment">// drive info structure</span>
00099 <span class="keyword">typedef</span> <span class="keyword">struct </span>
00100 <span class="keyword"></span>{
00101     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>  cylinders;
00102     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> heads;
00103     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sectors;
00104     <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> sizeinsectors;
00105     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> LBAsupport;
00106     <span class="keywordtype">char</span> model[41];
00107 } typeDriveInfo;
00108 
00109 
00110 <span class="comment">// Prototypes</span>
00111 <span class="keywordtype">void</span> ataInit(<span class="keywordtype">void</span>);
00112 <span class="keywordtype">void</span> ataDriveInit(<span class="keywordtype">void</span>);
00113 <span class="keywordtype">void</span> ataDriveSelect(u08 DriveNo);
00114 <span class="keywordtype">void</span> ataSetDrivePowerMode(u08 DriveNo, u08 mode, u08 timeout);
00115 u08  ataReadByte(u16 reg);
00116 <span class="keywordtype">void</span> ataWriteByte(u16 reg, u08 data);
00117 <span class="keywordtype">void</span> ataShowRegisters(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> DriveNo);
00118 u08  ataSWReset(<span class="keywordtype">void</span>);
00119 <span class="keywordtype">void</span> ataDiskErr(<span class="keywordtype">void</span>);
00120 <span class="keywordtype">void</span> ataPrintSector( u08 *Buffer);
00121 <span class="keywordtype">void</span> ataReadDataBuffer(u08 *Buffer, u16 numBytes);
00122 <span class="keywordtype">void</span> ataWriteDataBuffer(u08 *Buffer, u16 numBytes);
00123 u08 ataStatusWait(u08 mask, u08 waitStatus);
00124 
00125 <span class="comment">// read and write routines for CHS based drives</span>
00126 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> ataReadSectorsCHS(    <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Drive, 
00127                                     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Head, 
00128                                     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Track,
00129                                     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Sector,
00130                                     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> numsectors,
00131                                     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Buffer);
00132 
00133 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> ataWriteSectorsCHS(   <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Drive, 
00134                                     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Head, 
00135                                     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Track,
00136                                     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Sector,
00137                                     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> numsectors,
00138                                     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Buffer);
00139 
00140 <span class="comment">// read and write routines for LBA based drives</span>
00141 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> ataReadSectorsLBA(    <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Drive, 
00142                                     <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> lba,
00143                                     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> numsectors,
00144                                     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Buffer);
00145 
00146 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> ataWriteSectorsLBA(   <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Drive, 
00147                                     <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> lba,
00148                                     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> numsectors,
00149                                     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Buffer);
00150 
00151 <span class="comment">// generic read and write routines using LBA</span>
00152 <span class="comment">//   uses native or translated LBA addressing</span>
00153 <span class="comment">//   given autodetected drive type</span>
00154 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> ataReadSectors(   <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Drive, 
00155                                 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> lba,
00156                                 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> numsectors,
00157                                 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Buffer);
00158 
00159 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> ataWriteSectors(  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Drive, 
00160                                 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> lba,
00161                                 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> numsectors,
00162                                 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Buffer);
00163 
00164 <span class="comment">//unsigned char IdentifyDrive(unsigned char DriveNo,  unsigned char *Buffer, tdefDriveInfo *DriveInfo);</span>
00165 <span class="comment">//unsigned char SetMode(unsigned char DriveNo, unsigned char Mode, unsigned char PwrDown);</span>
00166 <span class="comment">//unsigned char ATA_Idle(unsigned char Drive);</span>
00167 
00168 <span class="preprocessor">#endif</span>
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